Bump acorn from 6.3.0 to 7.0.0

Bumps [acorn](https://github.com/acornjs/acorn) from 6.3.0 to 7.0.0.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.3.0...7.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -2010,9 +2010,9 @@
 			}
 		},
 		"acorn": {
-			"version": "6.3.0",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-			"integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+			"version": "7.0.0",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-7.0.0.tgz",
+			"integrity": "sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==",
 			"dev": true
 		},
 		"acorn-globals": {
@@ -2023,6 +2023,14 @@
 			"requires": {
 				"acorn": "^6.0.1",
 				"acorn-walk": "^6.0.1"
+			},
+			"dependencies": {
+				"acorn": {
+					"version": "6.3.0",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+					"integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+					"dev": true
+				}
 			}
 		},
 		"acorn-jsx": {
@@ -15517,6 +15525,12 @@
 				"webpack-sources": "^1.4.1"
 			},
 			"dependencies": {
+				"acorn": {
+					"version": "6.3.0",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+					"integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+					"dev": true
+				},
 				"braces": {
 					"version": "2.3.2",
 					"resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",

package.json

@@ -59,7 +59,7 @@
 		"@babel/plugin-syntax-dynamic-import": "^7.2.0",
 		"@babel/preset-env": "^7.5.5",
 		"@vue/test-utils": "^1.0.0-beta.29",
-		"acorn": "^6.3.0",
+		"acorn": "^7.0.0",
 		"babel-eslint": "^10.0.2",
 		"babel-jest": "^24.9.0",
 		"babel-loader": "^8.0.6",